Step by step instructions to make this Flared long skirt pattern

Draw a square in to below measurements, For Front and back skirt section
AB / CD- 55cm
AC / BD - 85cm

AE -  Waist 17cm.
AF -  Mark 5cm and draw the waist curve line as shown in the diagram. And the waist curve line is 18cm (Measure along the curve line).
DG -  Mark 17.5cm  and draw the bottom hem curve line as shown in the diagram. 

EG -  Draw the side seam line. 

Draw a rectangle in to below measurements, For waist band
HI / JK - 36cm
HJ / IK  - 10 cm

Make sure to add 1cm seam allowance to all the pattern pieces after you made them.